Western Australia's current heatwave is breaking records, with parts of the state almost reaching temperatures of 50 degrees.
The remote town of Paraburdoo recorded a minimum temperature of 35.8 degrees yesterday morning, the highest ever recorded in the state, according to Weatherzone.
It was also the fifth-highest minimum temperature ever seen in Australia.
LIVE UPDATES: 'Tomorrow is going to be a catastrophic day'
The high minimum temperature was followed by a day of extreme heat in Western Australia, with the mercury reaching 49 degrees at Onslow Airport in the state's north coast.
Whilst it was not the hottest temperature ever in the state or in Australia, it meant Onslow Airport was officially the hottest place on earth yesterday.
In fact, Onslow was over 100 degrees hotter than the coldest place on earth yesterday.
READ MORE: Police slam 'reckless' thieves for cutting down fire danger warning sign
The temperature in the Republic of Sakha in Russia was -53.5 degrees, meaning Onslow was 102.5 degrees warmer.
It comes as much of the country is sweating through a heatwave, which is causing extreme bushfire danger.
READ MORE: The expert advice on exercising during a heatwave
Temperatures soared above 43 degrees in parts of all states and territories except for the ACT, with Melbourne experiencing its hottest day since 2020.
"Unfortunately, this heat will contribute to extreme and catastrophic fire danger ratings… between Thursday and Saturday," Weatherzone's Ben Domensino said.
All of Victoria will be under a fire ban tomorrow, with authorities saying the risk of bushfires will be catastrophic.
DOWNLOAD THE 9NEWS APP: Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. Available on the Apple App Store and Google Play.